import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.text.DecimalFormat;
import java.text.ParseException;
public class InputTest{
    public static void main(String[] args) {

	String s = "";
	InputStreamReader isr = new InputStreamReader(System.in);
	BufferedReader br = new BufferedReader(isr);
	try {
	    s = br.readLine();

	} catch (IOException e) {
	    System.out.println("caught!");}		
    }
}